#region The MIT License
// The MIT License
// 
// Copyright (c) 2009 octalforty studios
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;
using System.Collections.Generic;
using System.ComponentModel;

using octalforty.Chinchillin.Shared.Deployment;
using octalforty.Chinchillin.Shared.Deployment.Metadata;

namespace octalforty.Chinchillin.Agent.Core.Deployment.Impl
{
    public static class ActionExecutionContextBuilder
    {
        public static ActionExecutionContext BuildActionExecutionContext(ActionInfo actionInfo, ActionInvocation actionInvocation)
        {
            var arguments = new Dictionary<string, object>();

            foreach(var argument in actionInfo.Arguments)
            {
                if(!actionInvocation.Arguments.Exists(aia => aia.Name == argument.Name)) 
                    continue;

                var value = ConvertActionInvocationArgument(argument.Type, actionInvocation.Arguments.Find(aia => aia.Name == argument.Name).Value);
                arguments[argument.Name] = value;
            } // foreach

            return new ActionExecutionContext(arguments, false, actionInvocation.EventTypeFilter);
        }

        private static object ConvertActionInvocationArgument(ActionArgumentType type, string value)
        {
            switch(type)
            {
                case ActionArgumentType.Integer:
                    return Convert.ToInt64(value);
                case ActionArgumentType.String:
                    return value;
                case ActionArgumentType.Uri:
                    return TypeDescriptor.GetConverter(typeof(Uri)).ConvertFrom(value);
                case ActionArgumentType.Boolean:
                    return bool.Parse(value);
                default:
                    throw new ArgumentOutOfRangeException("type");
            } // swith
        }
    }
}